Reactive oxygen species (ROS) produced naturally during cellular metabolism often cause oxidative damage to cells. However, these molecules also play an important role in normal cellular signaling.

The best photography competitions to enter in 2026, along with deadlines and top tips from judges to help your images stand ...

Cryo-electron microscopy (cryo-EM) can help scientists determine the three-dimensional structure of proteins in unprecedented detail. Jacques Dubochet, former group leader at EMBL, shared the 2017 ...

Stretching protein samples in all directions pulls molecules farther apart, allowing them to be visualized using only light ...

Although both a SEM and a TEM are electron microscopes, their working principles and images are very different. Whereas an SEM uses secondary electrons ejected after bombarding a sample’s surface with ...

So many sources of allergies — and especially pollen — are influenced by weather. That's how we turn our existing science into an answer on whether your allergies will be better or worse each day, so ...